Home / 45,180.30-67,770.45-21,852.30

Finding the Fourth Proportional to 45,180.30, 67,770.45 and 21,852.30

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Solution

The fourth proportional to 45,180.30, 67,770.45 and 21,852.30 is: 32,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,180.30 : 67,770.45 = 21,852.30 : x
  2. Step 2: Convert to fraction form
    45,180.30/67,770.45 = 21,852.30/x
  3. Step 3: Cross multiply
    45,180.30x = 67,770.45 × 21,852.30
  4. Step 4: Simplify right side
    45,180.30x = 1,480,940,204.54
  5. Step 5: Solve for x
    x = 1,480,940,204.54/45,180.30
  6. Step 6: Final answer
    x = 32,778.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.